#4A57BC#4A57BC

#4A57BC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.158 H 273.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4A57BC
RGB	rgb(74, 87, 188)
HSL	hsl(233, 46%, 51%)
HSV	hsv(233, 61%, 74%)
CMYK	cmyk(60.6%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(41.06, 26.08, -54.95)
CIE-LCH	lch(41.06, 60.82, 295.39°)
OKLab	oklab(50.2% 0.0104 -0.1575)
OKLCH	oklch(50.2% 0.158 273.8)
XYZ	xyz(15.3064, 11.9019, 49.0579)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57BC #BCAF4A

analogous

#4A90BC #4A57BC #764ABC

triadic

#4A57BC #BC4A57 #57BC4A

tetradic

#4A57BC #BC4A90 #BCAF4A #4ABC76

square

#4A57BC #BC4A90 #BCAF4A #4ABC76

split-complementary

#4A57BC #BC764A #90BC4A

monochromatic

#262D66 #364193 #4A57BC #7780CD #A3AADD

Accessibility & contrast

On white

6.21

#4A57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4A57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57BC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57BC	#FFFFFF	#000000	##FFFFFF
##4A57BC	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1566C0

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4a57bc;
/* rgb */ color: rgb(74, 87, 188);
/* oklch */ color: oklch(50.2% 0.158 273.8);

Tailwind

colors: {
  custom: {
    50: '#8786d1',
    500: '#4a57bc',
    950: '#000000',
  },
}

SCSS

$custom: #4a57bc;
$custom-light: #8786d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57bc",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 233.158,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50199,
    "c": 0.15789,
    "h": 273.8
  },
  "luminance": 0.11903
}

Semantic roles & 50–950 ramp

primary

#4A57BC

secondary

#CAC498

accent

#C752D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4A57BC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →